The angle bisectors of the three angles of XYZ, intersect at the incenter of the circle. With that incenter a circle can be drawn to touch the three sides internally. 6.
To comply with Navigation Rules and for distress signaling purposes all boats must carry a sound producing device (whistle, horn, siren, etc.) capable of a 4-second blast audible for Â½ mile. *Boats larger than 39.4 ft. are no longer required to have a bell (see Navigation Rules.)
Our listening and recording devices are hand selected and must meet our stringent quality criteria before they are added to our inventory. They must first of all be of the highest quality in terms of audio recording capability. The sound must be crisp and clear and the recording time must be enough for at least a full day's worth of recording.